// 云函数入口文件  回帖

const cloud = require('wx-server-sdk')
cloud.init()
const db=cloud.database();
const _ = db.command
// 云函数入口函数
exports.main = async (event, context) => {
  var num=event.num
  var page=event.page
  var id=event.topicID

  return await db.collection("reply").skip(page).limit(num).orderBy('rTime','asc')
  .where({
    topicID:id
  }).get()
}
